Home / 74,075.15-102,224.87-41,811.43

Finding the Fourth Proportional to 74,075.15, 102,224.87 and 41,811.43

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Solution

The fourth proportional to 74,075.15, 102,224.87 and 41,811.43 is: 57,700.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,075.15 : 102,224.87 = 41,811.43 : x
  2. Step 2: Convert to fraction form
    74,075.15/102,224.87 = 41,811.43/x
  3. Step 3: Cross multiply
    74,075.15x = 102,224.87 × 41,811.43
  4. Step 4: Simplify right side
    74,075.15x = 4,274,167,996.26
  5. Step 5: Solve for x
    x = 4,274,167,996.26/74,075.15
  6. Step 6: Final answer
    x = 57,700.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.